SAE AMS5597G Nickel Alloy, Corrosion and Heat Resistant, Sheet, Strip, and Plate 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode or Vacuum Induction Melted 1950 °F (1066 °C) Solution Heat Treated

standard by SAE International, 08/19/2016